
TO_NCHAR (datetime) converts a datetime or interval value of DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE, TIMESTAMP WITH LOCAL TIME ZONE, INTERVAL MONTH TO YEAR, or INTERVAL DAY TO SECOND datatype from the database character set to the national character set.
The following example converts the order_date of all orders whose status is 9 to the national character set:
SELECT TO_NCHAR(order_date) FROM orders WHERE order_status > 9; TO_NCHAR(ORDER_DATE) ---------------------------- 14-SEP-99 08.53.40.223345 AM 13-SEP-99 09.19.00.654279 AM 27-JUN-00 08.53.32.335522 PM 26-JUN-00 09.19.43.190089 PM 06-DEC-99 01.22.34.225609 PM